Tetradactylus

The genus Tetradactylus contains the following species which are recognized as being valid.[2]

• Tetradactylus africanus (Gray, 1838) – African long-tailed seps
• Tetradactylus breyeri (Roux, 1907) – Breyer's long-tailed seps, vulnerable (VU)
• Tetradactylus eastwoodae (Hewitt & Methuen, 1913) – Eastwood's long-tailed seps, extinct (EX)
• Tetradactylus ellenbergeri (Angel, 1922) – Ellenberger's long-tailed seps
• Tetradactylus seps (Linnaeus, 1758) – short-legged seps
• Tetradactylus tetradactylus (Daudin, 1802) – long-toed seps
• Tetradactylus udzungwensis (Salvidio et al., 2004) - Udzungwa long-tailed seps

Nota bene: A binomial authority in parentheses indicates that the species was originally named in a genus other than Tetradactylus.

• Boulenger GA (1887). Catalogue of the Lizards in the British Museum (Natural History). Second Edition. Volume III. ... Gerrhosauridæ ... London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xii + 575 pp. + Plates I-XL. (Genus Tetradactylus, p. 124).
• Branch, Bill (2004). Field Guide to Snakes and other Reptiles of Southern Africa. Third Revised edition, Second impression. Sanibel Island, Florida: Ralph Curtis Books. 399 pp. ISBN 0-88359-042-5. (Genus Tetradactylus, pp. 181–182).
• Merrem B (1820). Versuch eines Systems der Amphibien: Tentamen Systematis Amphibiorum. Marburg: J.C. Krieger. xv + 191 pp. + one plate. (Tetradactylus, new genus, p. 75). (in German and Latin).